| 908 | } |
| 909 | |
| 910 | static int cmd_dev_del_by_kill(int number) |
| 911 | { |
| 912 | struct ublk_dev *dev; |
| 913 | int ret; |
| 914 | |
| 915 | dev = ublk_ctrl_init(); |
| 916 | dev->dev_info.dev_id = number; |
| 917 | |
| 918 | ret = ublk_ctrl_get_info(dev); |
| 919 | if (ret < 0) |
| 920 | goto fail; |
| 921 | |
| 922 | /* simulate one ublk daemon panic */ |
| 923 | kill(dev->dev_info.ublksrv_pid, 9); |
| 924 | |
| 925 | ret = ublk_stop_io_daemon(dev); |
| 926 | if (ret < 0) |
| 927 | ublk_err("%s: can't stop daemon id %d\n", __func__, number); |
| 928 | ublk_ctrl_del_dev(dev); |
| 929 | fail: |
| 930 | if (ret >= 0) |
| 931 | ret = ublk_ctrl_get_info(dev); |
| 932 | ublk_ctrl_deinit(dev); |
| 933 | |
| 934 | return (ret != 0) ? 0 : -EIO; |
| 935 | } |
| 936 | |
| 937 | /****************** part 2: target implementation ********************/ |
| 938 | |